A plan for securing observations of the variable stars. by Edward C. Pickering Published in 1882, J. Wilson and Son, University Press (Cambridge) A plan for securing observations of the variable stars. Edward C. Pickering Change Cover Read Online works: A plan for securing observations of the variable stars By statement: By Edward C. Pickering ... Source records: Internet Archive: planforsecuringo00pickrich Language: English Pagination: 15 p. Subject: Variable stars.
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